package com.xuexi.di1;

class TestExer1{
		public static void main(String[] args){
				int m = 12;
				int n = 5;
				System.out.println("m:" + m +"n:" + n);
				m = m>>1;
				n = n<<1;
				
				System.out.println("m:" + m +"n:" + n);
		}	
}